Sharp VL-A111UL Service Manual - Page 37

Block Diagrams

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7. BLOCK DIAGRAMS 7-1. SYSTEM BLOCK DIAGRAM BATTERY NONREGE IC900 POWER (CAMERA) Power Control IC IC701 3.0V Reg POWER (SYS 3.0V) POWER (AT 3.0V) IC706 I CHIP µ-COM SYSTEM CONTROL VL-A111U/AH131U VL-AH151U/AH161U KEY IC2 E2PROM LENS IC102 D/A CDS IC101 DSP IC401 LCD CAM Y/C ATF IC2701 D/A SERIAL BUS POWER (SIGNAL) AUDIO IC601 IC301 H/A IC705 E2PROM IC3801 LCD CONTROLER MECHACHASSIS MECHANISM SERVO CONTROL * On this model, all the circuits of the VCR and camera sections are controlled by IC706. 1) IC401 is controlled with the serial data from IC706. 2) IC705 is a memory that serves to store the adjustment data of the VCR section. 3) IC2 is a memory that serves to store the adjustment data of the camera section. 4) The other circuits and ICs are under the L/H level or the PWM control. 37

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37
VL-A111U/AH131U
VL-AH151U/AH161U
* On this model, all the circuits of the VCR and camera sections are controlled by IC706.
1) IC401 is controlled with the serial data from IC706.
2) IC705 is a memory that serves to store the adjustment data of the VCR section.
3) IC2 is a memory that serves to store the adjustment data of the camera section.
4) The other circuits and ICs are under the L/H level or the PWM control.
BATTERY
NONREGE
IC900
IC2
DSP
IC401
IC601
IC301
IC3801
IC2701
D/A
IC706
IC705
POWER (CAMERA)
E
2
PROM
LENS
D/A
E
2
PROM
SERIAL BUS
LCD
CAM
Y/C
ATF
CDS
AUDIO
LCD
CONTROLER
H/A
MECHA-
NISM
MECHA-
CHASSIS
POWER (SIGNAL)
SERVO
CONTROL
KEY
3.0V
Reg
POWER (AT 3.0V)
POWER (SYS 3.0V)
Power Control IC
IC701
I CHIP
μ
-COM
SYSTEM CONTROL
IC101
IC102
7. BLOCK DIAGRAMS
7-1. SYSTEM BLOCK DIAGRAM